Seiko Cal. 4515 - 742

Released in 1973, the Cal. 4515 with design code 742 was part of Seiko's domestic market collection. With its 21mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-ccb986ee20e1]

Also known as: Bullhead, Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1973

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